Why does my keyboard flash between caps, num lock, and scroll lock? It's also not letting me type. How do I fix this? - Quora
What does 5 beeps bios on PC start up mean? I have no running issues everything is working as usual and I haven't dropped or damaged my PC recently. - Quora
HP EliteDesk 800 G4 SFF (2 long/4 short beeps issue) - HP Support Community - 8391295
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Solved: 6 long beeps, no start up | Tech Support Guy